What was found
REMOVED CORROSION AT MAIN CABIN FLOOR SUPPORT UPPER SURFACE BETWEEN FR 67 TO 68, LBL 46" REF SRM 51-74-00. ACCOMPLISHED A UT THICKNESS INSP AFTER REWORK MAX 0, 110, MIN 0.078, MATERIAL REMOVED 0.042. MX-3 SN 38265, CAL DATE 17, DEC 11, FOUND OUT OF LIMITS IAW SRM 53-00-14. REMOVED, DRILLED UP AND REPLACED IAW SRM 51-42-11, 51-23-11, 51-42-11.